Topic awaiting preservation: Why does this work locally, but not completely when remote? (Page 1 of 1)

javascript:void((function(){var element=document.createElement('script');element.setAttribute('src','http://dev.runningwolf.com/code/javascript/page_size_weight/page_size_weight.js');document.body.appendChild(ele   ment)})())

function showPageWeight() {

  var i;

  var doc = document;

  var filesize = parseInt(doc.fileSize);

  var imagesize = 0;

  var imageMap = new Object();

  var message = "";

    

    for (i = 0; i < doc.images.length; i++) {

        if (!imageMap[doc.images[i].src]) {

            imagesize += parseInt(doc.images[i].fileSize);

            imageMap[doc.images[i].src] = true;

        }

    }

    var pageweight = (filesize + imagesize).simpleFormat();

    var pageweightkb = Math.round((pageweight/1024)*100)/100;

    var docweight = filesize.simpleFormat();

    var docweightkb = Math.round((docweight/1024)*100)/100;

    var imagesweight = imagesize.simpleFormat();

    var imagesweightkb = Math.round((imagesweight/1024)*100)/100;

    message += "This page weighs " + pageweight + " bytes (" + pageweightkb + "kb):\n\n";

    message += "Document: " + docweight + " bytes (" +docweightkb + "kb)\n";

    message += "Images: " + imagesweight + " bytes (" + imagesweightkb + "kb)*\n";

    message += "\nApproximate download times:**\n";

    message += "14.4 Kb:     " + filesize.toDownloadSeconds(14400).roundTo(2) + " sec.\n";

    message += "28.8 Kb:     " + filesize.toDownloadSeconds(28800).roundTo(2) + " sec.\n";

    message += "33.6 Kb:     " + filesize.toDownloadSeconds(33600).roundTo(2) + " sec.\n";

    message += "56 Kb:        " + filesize.toDownloadSeconds(56000).roundTo(2) + " sec.\n";

    message += "64 Kb:        " + filesize.toDownloadSeconds(64000).roundTo(2) + " sec.\n";

    message += "128 Kb:      " + filesize.toDownloadSeconds(128000).roundTo(2) + " sec.\n";

    message += "1.554 Mb:  " + filesize.toDownloadSeconds(1554000).roundTo(2) + " sec.\n";

    message += "\n[*Does not include other resources (.css,.js,.jar,etc.) " +  "or images from style sheets]";

    message += "\n[**Download times may vary " + "depending on network traffic]";

    

    alert(message);

}



Number.prototype.simpleFormat = function() {

    var nstr = new String(this);

    var f = 1;

    

    for (var i = nstr.length - 1; i > 0; i--) {

        if (f/3 == Math.ceil(f/3)) {

            nstr = nstr.substring(0,i) + ',' +

            nstr.substring(i,nstr.length);

        }

        f++;

    }

    

    return nstr;

}



Number.prototype.toDownloadSeconds = function(bitsPerSecond) {

    if (isNaN(bitsPerSecond)) return NaN;

    return this / (bitsPerSecond / 8);

}



Number.prototype.roundTo = function(places) {

    if (isNaN(places)) return Math.round(this);

    return (Math.round(this * Math.pow(10,places)) / Math.pow(10,places));

}



// invoke on load

showPageWeight();